package crawler.ctkeyword;

import crawler.BaseHibernateDAO;
import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * CtKeyword entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see crawler.ctkeyword.CtKeyword
 * @author MyEclipse Persistence Tools
 */

public class CtKeywordDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(CtKeywordDAO.class);
	// property constants
	public static final String KW_CONTENT = "kwContent";
	public static final String KW_CTTIME = "kwCttime";
	public static final String KW_CTUSER = "kwCtuser";

	public void save(CtKeyword transientInstance) {
		log.debug("saving CtKeyword instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(CtKeyword persistentInstance) {
		log.debug("deleting CtKeyword instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public CtKeyword findById(java.lang.String id) {
		log.debug("getting CtKeyword instance with id: " + id);
		try {
			CtKeyword instance = (CtKeyword) getSession().get(
					"crawler.ctkeyword.CtKeyword", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(CtKeyword instance) {
		log.debug("finding CtKeyword instance by example");
		try {
			List results = getSession()
					.createCriteria("crawler.ctkeyword.CtKeyword")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding CtKeyword instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from CtKeyword as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByKwContent(Object kwContent) {
		return findByProperty(KW_CONTENT, kwContent);
	}

	public List findByKwCttime(Object kwCttime) {
		return findByProperty(KW_CTTIME, kwCttime);
	}

	public List findByKwCtuser(Object kwCtuser) {
		return findByProperty(KW_CTUSER, kwCtuser);
	}

	public List findAll() {
		log.debug("finding all CtKeyword instances");
		try {
			String queryString = "from CtKeyword";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public CtKeyword merge(CtKeyword detachedInstance) {
		log.debug("merging CtKeyword instance");
		try {
			CtKeyword result = (CtKeyword) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(CtKeyword instance) {
		log.debug("attaching dirty CtKeyword instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(CtKeyword instance) {
		log.debug("attaching clean CtKeyword instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}